So I think my wife is cheating.

For a while now, my wife hadn't been herself. Small changes had been made—she was smiling a bit more and dressing a bit differently. A person who didn't know her well might not have seen any change. But I knew about it. I really wanted to think there was a good reason, but I knew deep down that there wasn't one. Someone else was there.

So I went after her. Like always, she drove to her gym this morning. I have always admired how hard she worked to stay fit, and the effects were certainly proof of that.

When she was done, she drove to the mall, and I sneakily followed behind. She walked up the hallway and went into a Louis Vuitton store. I waited outside by looking into store windows to blend in. Eventually, she came out with two bags. I’m not stupid; I knew what those women buy in shops. I never thought of her as that kind of woman, so she had never worn that to me. It was clear that she bought it for him.

After that, I followed her all the way across town until she pulled into a fancy hotel parking lot. How was she going to pay for this? It was his responsibility to pay for it. Even though I knew what they were doing, I had to see it for myself.

When I got to the hotel, I booked a room and told the person at the front desk that I wanted to send a bottle of champagne to a good friend who was having a special event upstairs. The attendant agreed, which was helpful.

I stayed back as the delivery person got out of the lift, went to her door and knocked. As…